Search a number
-
+
44138105 = 511802511
BaseRepresentation
bin1010100001011…
…1111001111001
310002001110002122
42220113321321
542244404410
64214011025
71044111344
oct250277171
9102043078
1044138105
1122a07680
1212946a75
1391b522b
145c0d45b
153d1ce55
hex2a17e79

44138105 has 8 divisors (see below), whose sum is σ = 57780864. Its totient is φ = 32100400.

The previous prime is 44138093. The next prime is 44138113. The reversal of 44138105 is 50183144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44138105 - 24 = 44138089 is a prime.

It is a super-4 number, since 4×441381054 (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401201 + ... + 401310.

It is an arithmetic number, because the mean of its divisors is an integer number (7222608).

Almost surely, 244138105 is an apocalyptic number.

It is an amenable number.

44138105 is a deficient number, since it is larger than the sum of its proper divisors (13642759).

44138105 is a wasteful number, since it uses less digits than its factorization.

44138105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802527.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 44138105 is about 6643.6514809252. The cubic root of 44138105 is about 353.4038104539.

It can be divided in two parts, 44138 and 105, that multiplied together give a triangular number (4634490 = T3044).

The spelling of 44138105 in words is "forty-four million, one hundred thirty-eight thousand, one hundred five".

Divisors: 1 5 11 55 802511 4012555 8827621 44138105